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Cotter Schools-st. Marys Campus

1315 W Broadway St
Winona, MN 55987

www.cotterschools.org

Cotter Schools is located in Winona, Minnesota, and is the sole Roman Catholic school in the city.

Educational opportunities begin as early as 6 weeks old and continue through Grade 12. Boarding is available for students in grades 7–12.

Quick Facts (2025-26)

Top Ranked MN School
School Type: Early Childhood / Day Care
Grades: Kindergarten
Enrollment: 69 students
Yearly Tuition: $35,000
Average class size: 18 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Top Rankings

Cotter Schools-st. Marys Campus ranks among the top 20% of private schools in Minnesota for:

School Overview

School Type

Early Childhood / Day Care

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Religious Affiliation

Catholic

Grades Offered

Grades Kindergarten

Year Founded

1911

Colors

White, Royal blue

School Calendar

View School Calendar

Campus Size

45 acres

Student Body

Total Students

69 students

Student Body Type

Co-ed

% Students of Color

State avg.: 23%

Students by Grade

Cotter Schools-st. Marys Campus Student By Grade

Academics and Faculty

Total Classroom Teachers

5 teachers

Student-Teacher Ratio

14:1

National avg.: 13:1

Average Class Size

18 students

Number of AP Courses

11 courses

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

$35,000

View national tuition avg.

Application URL

Online Application

Endowment Size

$50 million

School Notes

School Motto: Education is a partnership between school, home, and community.
School Mascot: Rowdy

Sample of notable school alumni/alumnae:
- Damien Fair, MacArthur genius grant winner, class of '94 -
- Bob Kierlin, founder of a Fortune 500 Company, class of '57 -

Source: National Center for Education Statistics (NCES)

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Frequently Asked Questions

How much does Cotter Schools-st. Marys Campus cost?

Cotter Schools-st. Marys Campus's tuition is approximately $35,000 for private students.

Who are famous alumni from Cotter Schools-st. Marys Campus?

Cotter Schools-st. Marys Campus famous alumni include: Damien Fair, MacArthur genius grant winner, class of '94 and Bob Kierlin, founder of a Fortune 500 Company, class of '57.

What is Cotter Schools-st. Marys Campus's ranking?

Cotter Schools-st. Marys Campus ranks among the top 20% of private schools in Minnesota for: Oldest founding date and Largest endowments.

When is the application deadline for Cotter Schools-st. Marys Campus?

The application deadline for Cotter Schools-st. Marys Campus is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2025-26)

Top Ranked MN School
School Type: Early Childhood / Day Care
Grades: Kindergarten
Enrollment: 69 students
Yearly Tuition: $35,000
Average class size: 18 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Minnesota is $8,836 for elementary schools and $14,663 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Minnesota is 86% (read more about average acceptance rates across the country).